Alteration in cholesteatoma fibroblasts: induction of neoplastic-like phenotype.
1993
Cholesteatomas are invasive, locally destructive skin-like lesions that, after operative removal, have a significant recidivistic rate. These aggressive characteristics suggest a fundamental alteration in the biology of one or more of its constituents (i.e., keratinocytes, fibroblasts, and inflammatory cells). The cholesteatoma matrix was studied by subculturing it into its main cellular components. Short-term cell cultures of fibroblasts from cholesteatoma matrix and controls from ear canal and postauricular skin were established. These cultured fibroblasts were tested for invasiveness using the Boyden Chamber Assay of Albini
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